Home / 79,811.69-110,140.09-45,822.36

Finding the Fourth Proportional to 79,811.69, 110,140.09 and 45,822.36

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Solution

The fourth proportional to 79,811.69, 110,140.09 and 45,822.36 is: 63,234.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,811.69 : 110,140.09 = 45,822.36 : x
  2. Step 2: Convert to fraction form
    79,811.69/110,140.09 = 45,822.36/x
  3. Step 3: Cross multiply
    79,811.69x = 110,140.09 × 45,822.36
  4. Step 4: Simplify right side
    79,811.69x = 5,046,879,238.80
  5. Step 5: Solve for x
    x = 5,046,879,238.80/79,811.69
  6. Step 6: Final answer
    x = 63,234.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.